登録情報 データベース : EMDB / ID : EMD-23930 構造の表示 ダウンロードとリンクタイトル Neurofibromin homodimer マップデータ 詳細 試料複合体 : Neurofibromin homodimerタンパク質・ペプチド : Isoform I of Neurofibromin 詳細 キーワード tumor supressor / HEAT repeat / Ras-GAP / scaffold / ANTITUMOR PROTEIN機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
positive regulation of mast cell apoptotic process / negative regulation of Rac protein signal transduction / regulation of glial cell differentiation / observational learning / negative regulation of Schwann cell migration / Schwann cell migration / amygdala development / vascular associated smooth muscle cell migration / Schwann cell proliferation / negative regulation of mast cell proliferation ... positive regulation of mast cell apoptotic process / negative regulation of Rac protein signal transduction / regulation of glial cell differentiation / observational learning / negative regulation of Schwann cell migration / Schwann cell migration / amygdala development / vascular associated smooth muscle cell migration / Schwann cell proliferation / negative regulation of mast cell proliferation / mast cell apoptotic process / gamma-aminobutyric acid secretion, neurotransmission / vascular associated smooth muscle cell proliferation / glutamate secretion, neurotransmission / negative regulation of Schwann cell proliferation / negative regulation of leukocyte migration / mast cell proliferation / forebrain morphogenesis / regulation of cell-matrix adhesion / hair follicle maturation / regulation of blood vessel endothelial cell migration / cell communication / camera-type eye morphogenesis / smooth muscle tissue development / negative regulation of neurotransmitter secretion / negative regulation of oligodendrocyte differentiation / sympathetic nervous system development / myeloid leukocyte migration / peripheral nervous system development / myelination in peripheral nervous system / phosphatidylcholine binding / negative regulation of Ras protein signal transduction / metanephros development / phosphatidylethanolamine binding / positive regulation of extrinsic apoptotic signaling pathway in absence of ligand / regulation of long-term synaptic potentiation / collagen fibril organization / regulation of postsynapse organization / endothelial cell proliferation / regulation of bone resorption / artery morphogenesis / neural tube development / adrenal gland development / negative regulation of neuroblast proliferation / forebrain astrocyte development / negative regulation of protein import into nucleus / regulation of synaptic transmission, GABAergic / pigmentation / spinal cord development / negative regulation of astrocyte differentiation / negative regulation of vascular associated smooth muscle cell migration / negative regulation of endothelial cell proliferation / negative regulation of osteoclast differentiation / Rac protein signal transduction / oligodendrocyte differentiation / RAS signaling downstream of NF1 loss-of-function variants / positive regulation of GTPase activity / negative regulation of cell-matrix adhesion / extrinsic apoptotic signaling pathway via death domain receptors / neuroblast proliferation / regulation of angiogenesis / regulation of ERK1 and ERK2 cascade / Schwann cell development / negative regulation of fibroblast proliferation / skeletal muscle tissue development / negative regulation of stem cell proliferation / positive regulation of vascular associated smooth muscle cell proliferation / negative regulation of MAPK cascade / positive regulation of endothelial cell proliferation / extrinsic apoptotic signaling pathway in absence of ligand / extracellular matrix organization / GTPase activator activity / osteoclast differentiation / negative regulation of cell migration / negative regulation of angiogenesis / stem cell proliferation / phosphatidylinositol 3-kinase/protein kinase B signal transduction / wound healing / liver development / regulation of long-term neuronal synaptic plasticity / brain development / cerebral cortex development / visual learning / cognition / long-term synaptic potentiation / Regulation of RAS by GAPs / protein import into nucleus / osteoblast differentiation / positive regulation of neuron apoptotic process / presynapse / MAPK cascade / cellular response to heat / heart development / regulation of gene expression / actin cytoskeleton organization / fibroblast proliferation / neuron apoptotic process / angiogenesis / Ras protein signal transduction / response to hypoxia 類似検索 - 分子機能 : / PH domain-like / Ras GTPase-activating protein / Ras GTPase-activating protein, conserved site / Ras GTPase-activating proteins (rasGAP) domain signature. / GTPase-activator protein for Ras-like GTPase / Ras GTPase-activating proteins (rasGAP) domain profile. / GTPase-activator protein for Ras-like GTPases / Ras GTPase-activating domain / Divergent CRAL/TRIO domain ... : / PH domain-like / Ras GTPase-activating protein / Ras GTPase-activating protein, conserved site / Ras GTPase-activating proteins (rasGAP) domain signature. / GTPase-activator protein for Ras-like GTPase / Ras GTPase-activating proteins (rasGAP) domain profile. / GTPase-activator protein for Ras-like GTPases / Ras GTPase-activating domain / Divergent CRAL/TRIO domain / CRAL-TRIO lipid binding domain profile. / Domain in homologues of a S. cerevisiae phosphatidylinositol transfer protein (Sec14p) / CRAL-TRIO lipid binding domain / CRAL-TRIO lipid binding domain superfamily / Rho GTPase activation protein / PH-like domain superfamily / Armadillo-type fold 類似検索 - ドメイン・相同性生物種 Homo sapiens (ヒト)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 6.25 Å 詳細 データ登録者Lupton CJ / Bayly-Jones C 資金援助 オーストラリア, 1件 詳細 詳細を隠すOrganization Grant number 国 Not funded オーストラリア
引用ジャーナル : Nat Struct Mol Biol / 年 : 2021タイトル : The cryo-EM structure of the human neurofibromin dimer reveals the molecular basis for neurofibromatosis type 1.著者 : Christopher J Lupton / Charles Bayly-Jones / Laura D'Andrea / Cheng Huang / Ralf B Schittenhelm / Hari Venugopal / James C Whisstock / Michelle L Halls / Andrew M Ellisdon / 要旨 : Neurofibromin (NF1) mutations cause neurofibromatosis type 1 and drive numerous cancers, including breast and brain tumors. NF1 inhibits cellular proliferation through its guanosine triphosphatase- ... Neurofibromin (NF1) mutations cause neurofibromatosis type 1 and drive numerous cancers, including breast and brain tumors. NF1 inhibits cellular proliferation through its guanosine triphosphatase-activating protein (GAP) activity against rat sarcoma (RAS). In the present study, cryo-electron microscope studies reveal that the human ~640-kDa NF1 homodimer features a gigantic 30 × 10 nm array of α-helices that form a core lemniscate-shaped scaffold. Three-dimensional variability analysis captured the catalytic GAP-related domain and lipid-binding SEC-PH domains positioned against the core scaffold in a closed, autoinhibited conformation. We postulate that interaction with the plasma membrane may release the closed conformation to promote RAS inactivation. Our structural data further allow us to map the location of disease-associated NF1 variants and provide a long-sought-after structural explanation for the extreme susceptibility of the molecule to loss-of-function mutations. Collectively these findings present potential new routes for therapeutic modulation of the RAS pathway. 履歴 登録 2021年5月4日 - ヘッダ(付随情報) 公開 2021年12月15日 - マップ公開 2021年12月15日 - 更新 2024年5月29日 - 現状 2024年5月29日 処理サイト : RCSB / 状態 : 公開
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